diff --git a/installer/cd-dvd/live-dvd-X-no-soft.nix b/installer/cd-dvd/live-dvd-X-no-soft.nix
index 2afe37aa5f88..7111107b6757 100644
--- a/installer/cd-dvd/live-dvd-X-no-soft.nix
+++ b/installer/cd-dvd/live-dvd-X-no-soft.nix
@@ -18,11 +18,12 @@ let
 	windowManager = "twm";
 	tty = "9";
   };
+  pkgs
 
 in 
 (isoFun {
 	inherit platform;
-	lib = (import ../pkgs/lib);
+	lib = (import ../../pkgs/lib);
 
 	networkNixpkgs = "";
 	manualEnabled = true;
diff --git a/system/options.nix b/system/options.nix
index 40e169c7a908..d15c21645458 100644
--- a/system/options.nix
+++ b/system/options.nix
@@ -1557,6 +1557,16 @@ in
         ";
       };
 
+      virtualScreen = mkOption {
+        default = null;
+	example = {
+	  x=2048;
+	  y=2048;
+	};
+	description = "
+	  Virtual screen size for Xrandr
+	";
+      };
     };
 
     ejabberd = {
diff --git a/upstart-jobs/xserver.conf b/upstart-jobs/xserver.conf
index 98f98f481f9f..36e9da8bf0fe 100644
--- a/upstart-jobs/xserver.conf
+++ b/upstart-jobs/xserver.conf
@@ -58,11 +58,13 @@ Section "Screen"
     Depth      16
     Modes      @resolutions@
     @extraDisplaySettings@
+    @virtualScreen@
   EndSubSection
   SubSection "Display"
     Depth      24
     Modes      @resolutions@
     @extraDisplaySettings@
+    @virtualScreen@
   EndSubSection
   #SubSection "Display"
   #  Depth      32
diff --git a/upstart-jobs/xserver.nix b/upstart-jobs/xserver.nix
index caf842a8e45e..7c82d63b8c63 100644
--- a/upstart-jobs/xserver.nix
+++ b/upstart-jobs/xserver.nix
@@ -125,6 +125,9 @@ let
     extraModules = cfg.extraModules; 
     serverLayoutOptions = cfg.serverLayoutOptions; 
     defaultDepth = cfg.defaultDepth; 
+    virtualScreen = if cfg.virtualScreen != null then 
+        "Virtual ${toString cfg.virtualScreen.x} ${toString cfg.virtualScreen.y}" 
+      else "";
 
     xfs = if cfg.useXFS == false then "" else 
       ''FontPath "${toString cfg.useXFS}"'';